Status Report

NASA Mars Odyssey THEMIS Image: Arsia Mons Caldera Rim

By SpaceRef Editor
June 15, 2005
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Medium image for 20050615a

Image Context:

Context image for 20050615a
Context image credit: NASA/Mars Orbiter Laser Altimeter (MOLA) Team
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ParameterValue ParameterValue
Latitude-9 &nbsp InstrumentVIS
Longitude238.8E (121.2W) &nbsp Resolution (m)17
Image Size (pixels)3231×1410 &nbsp Image Size (km)57×24.9

Full data on this image has now been released via the THEMIS Data Releases website.

This VIS image shows part of the caldera rim and floor

of Arsia Mons. The arcuate fractures along the rim indicate

multiple periods of activity – both eruptions and collapse

after eruptions. The floor of the caldera is very flat,

having been filled by lava.

[Source: ASU THEMIS Science Team]

Note: this THEMIS visual image has not been radiometrically nor geometrically calibrated for this preliminary release. An empirical correction has been performed to remove instrumental effects. A linear shift has been applied in the cross-track and down-track direction to approximate spacecraft and planetary motion. Fully calibrated and geometrically projected images will be released through the Planetary Data System in accordance with Project policies at a later time.

NASA’s Jet Propulsion Laboratory manages the 2001 Mars Odyssey mission for NASA’s Office of Space Science, Washington, D.C. The Thermal Emission Imaging System (THEMIS) was developed by Arizona State University, Tempe, in collaboration with Raytheon Santa Barbara Remote Sensing. The THEMIS investigation is led by Dr. Philip Christensen at Arizona State University. Lockheed Martin Astronautics, Denver, is the prime contractor for the Odyssey project, and developed and built the orbiter. Mission operations are conducted jointly from Lockheed Martin and from JPL, a division of the California Institute of Technology in Pasadena.

Image Credit: NASA/JPL/Arizona State University

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